scholarly journals Long-Distance Optical Fiber Cable Installation System Using Automatic Control Puller

1998 ◽  
Vol 10 (3) ◽  
pp. 229-234
Author(s):  
Takenori Morimitsu ◽  
◽  
Masao Terasawa ◽  

To fully use optical fiber cable features such as low loss, small diameter, and light weight, cables are installed over the longest possible unit distance using pullers installed in intermediate manholes to distribute cable pulling force. An optical fiber cable pulling system has been developed that measures loading tension on the cable using tension sensors and automatically controls pulling speed so that tension is appropriate.

1990 ◽  
Vol 13 (4) ◽  
pp. 807-810 ◽  
Author(s):  
M. Miyazaki ◽  
M. Mizutani ◽  
H. Shimoyama ◽  
M. Kurokawa ◽  
Y. Okawa

1982 ◽  
Vol 21 (5) ◽  
pp. 815 ◽  
Author(s):  
Nobuya Kojima ◽  
Tetsuro Yabuta ◽  
Yukiyasu Negishi ◽  
Kazuo Iwabuchi ◽  
Osamu Kawata ◽  
...  

2017 ◽  
Vol 2 (3) ◽  
pp. 302-308 ◽  
Author(s):  
Salim Qadir Mohammed ◽  
Asaad M. Asaad M. Al-Hindawi

Fiber optics is an important part in the telecommunication infrastructure. Large bandwidth and low attenuation are features for the fiber optics to provide gigabit transmission. Nowadays, fiber optics are used widely in long distance communication and networking to provide the required information traffic for multimedia applications. In this paper, the optical fiber structure and the operation mechanism for multimode and single modes are analyzed. The design parameters such as core radius, numerical aperture, attenuation, dispersion and information capacity for step index and graded index fibers are studied, calculated and compared for different light sources.


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